9681725599 has 16 divisors (see below), whose sum is σ = 12300359680. Its totient is φ = 7413158880.

The previous prime is 9681725591. The next prime is 9681725611. The reversal of 9681725599 is 9955271869.

It is a cyclic number.

It is not a de Polignac number, because 9681725599 - 2³ = 9681725591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681725591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1713189 + ... + 1718830.

It is an arithmetic number, because the mean of its divisors is an integer number (768772480).

Almost surely, 2^9681725599 is an apocalyptic number.

9681725599 is a deficient number, since it is larger than the sum of its proper divisors (2618634081).

9681725599 is a wasteful number, since it uses less digits than its factorization.

9681725599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432070.

The product of its digits is 12247200, while the sum is 61.

The square root of 9681725599 is about 98395.7600661736. The cubic root of 9681725599 is about 2131.3311052757.

The spelling of 9681725599 in words is "nine billion, six hundred eighty-one million, seven hundred twenty-five thousand, five hundred ninety-nine".